国家/地区 中国（6）
IPC部 B（6）
IPC大类 B01（6）
IPC小类 B01D（6）
IPC B01J020/30（6）
发明人
公开年 2021（4）
申请年 2021（6）
专利权人

Preparation of graphene aerogel for carbon dioxide adsorption, involves preparing graphene-polyethyleneimine-chitosan composite slurry, and freezing in mold where thermal conductivity coefficient of bottom is greater than that of side wall.

CHENG A, HE Z, GAO S, LIU L, LI X, WANG Q, WU T

Preparation of modified graphene film used in system for capturing carbon dioxide in air, involves reducing graphene oxide sheets to obtain graphene sheets, using quaternary amine compounds to modify graphene sheet and preparing porous modified graphene membrane.

ZHANG Y, WANG J, XU S, BAI H

Preparation of flexible bulk amine modified graphene mesoporous material for carbon dioxide adsorption, involves dispersing graphene oxide aqueous solution, adjusting pH value to obtain dispersion, mixing with high amine aqueous solution to obtain mixture, molding and freeze-drying.

YU J, LEI C, LIU Y, HE J, DU Y, SONG M

Preparing mesoporous tin oxide nanorod/nitrogen doped graphene sensitive material useful for absorbing formaldehyde comprises mixing tin salt solution and graphene oxide, adding nitrogen doping agent, freezing, drying and cooling.

LU J, CAO Q, WANG Y, XU C, LI C

Preparing ordered lignin carbon-carbon nanotube composite material used for preparing hierarchical porous graphene, involves modifying lignin, preparing lignin/catalyst precursor, carbonizing and catalyzing precursor, and producing methane to make carbon nanotubes grow using self-catalytic reaction.

XI Y, LIU X, WANG H, KONG F, WANG S, YANG M, LIU Q, CUI H, ZHANG Z

Preparing graphene modified material comprises e.g. adding graphene, iron salt and ferrous salt into water, ultrasonic blending, annealing, cooling, filtering, modifying graphene, grafting filtering, washing, freezing and drying.

FAN L, GE D, DU J, LIU Z, CHENG Z, XING C